How To Fix CNV_DMC_SIN156 - Country Key cannot be initial in the conversion rule &1, TATYP is &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_DMC_SIN - Messages for s-innovations migration

• Message number: 156

• Message text: Country Key cannot be initial in the conversion rule &1, TATYP is &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_DMC_SIN156 - Country Key cannot be initial in the conversion rule &1, TATYP is &2 ?

  The SAP error message CNV_DMC_SIN156 indicates that there is an issue with the conversion rule in the Data Migration Cockpit (DMC) related to the country key. Specifically, the error states that the country key cannot be initial (i.e., it cannot be empty) for the specified conversion rule and transaction type (TATYP).
  Cause:
  
  Empty Country Key: The primary cause of this error is that the country key field is not populated in the conversion rule. The country key is essential for identifying the specific country-related data during the migration process.
  Incorrect Configuration: There may be a misconfiguration in the migration settings or rules that leads to the country key not being set correctly.
  Data Issues: The source data being migrated may not have valid country key values, leading to this error when the system attempts to process the conversion.
  
  Solution:
  
  Check Conversion Rules: Review the conversion rules in the Data Migration Cockpit. Ensure that the country key is populated correctly for the relevant conversion rule and transaction type.
  Populate Country Key: If the country key is missing, update the conversion rule to include the appropriate country key value. This may involve mapping the source data to the correct country key in the target system.
  Validate Source Data: Ensure that the source data being migrated contains valid country key values. If necessary, clean or transform the source data to include the required country key.
  Consult Documentation: Refer to SAP documentation or guides related to the Data Migration Cockpit for specific instructions on how to set up conversion rules correctly.
  
  Related Information:
  
  Transaction Types (TATYP): Understand the specific transaction type mentioned in the error message. Each transaction type may have different requirements for data fields, including the country key.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on handling country keys in conversion rules.
  Data Migration Best Practices: Familiarize yourself with best practices for data migration in SAP, including how to handle mandatory fields and data validation.
  
  By addressing the empty country key in the conversion rule and ensuring that all necessary data is correctly configured, you should be able to resolve the CNV_DMC_SIN156 error.